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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONSInternational General Certificate of Secondary Education

BIOLOGY 0610/01

Paper 1 Multiple ChoiceOctober/November 2004

45 minutesAdditional Materials: Multiple Choice Answer Sheet

Soft clean eraser

Soft pencil (type B or HB is recommended)

READ THESE INSTRUCTIONS FIRST

Write in soft pencil.Do not use staples, paper clips, highlighters, glue or correction fluid.Write your name, Centre number and candidate number on the answer sheet in the spaces providedunless this has been done for you.

There are forty questions on this paper. Answerall questions. For each question there are four possibleanswers A, B, C, and D.Choose the one you consider correct and record your choice in soft pencil on the separate answer sheet.

Read the instructions on the answer sheet very carefully.

Each correct answer will score one mark. A mark will not be deducted for a wrong answer.Any rough working should be done in this booklet.

This document consists of15 printed pages and 1 blank page.

IB04 11_0610_01/FP

UCLES 2004 [Turn over

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1 The diagram shows some organisms living in water.

plants

decomposers

animals

Which process is carried out by all the living organisms shown?

A photosynthesis

B pollination

C respiration

D transpiration

2 An animal has four legs, fur and a tail.

To which class of vertebrates does it belong?

A amphibians

B birds

C mammals

D reptiles

3 The diagram shows a type of cell.

Using the key below, which letter identifies the cell?

1 cell has a nucleus .. go to 2

cell has no nucleus ... go to 3

2 cell has a central vacuole . A

cell has no central vacuole B

3 cell has granules inside it .. C

cell has no granules inside it . D

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8 The diagram shows some of the blood vessels and other structures in the human body.

The blood vessels shown are all parts of the same

A cell.

B organ.

C organ system.

D tissue.

9 What causes oxygen to diffuse into the blood from an alveolus (air sac) in the lungs?

A The oxygen concentration in the alveolus is higher than in the atmosphere.

B The oxygen concentration in the alveolus is lower than in the blood.

C The oxygen concentration in the atmosphere is higher than the carbon dioxide concentration.

D The oxygen concentration in the blood is lower than in the alveolus.

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10 A strong solution of salt accidentally flooded a field of young rice plants.

The graph shows the effect on two varieties of rice in the field.

100

80

60

40

20

00 2 4 6 8 10

time after flooding/days

percentage

plants alive

variety X

variety Y

What causes the effect shown by the graph?

A Water enters the root cells ofX.

B Water enters the root cells ofY.

C Water leaves the root cells ofX.

D Water leaves the root cells ofY.

11 Two samples of a human enzyme were used in an experiment. Before they were used

sample X was heated to 80oC and then cooled to 37oC

sampleY was cooled to 0oC and then heated to 37oC.

How will this affect their activity?

A Sample X and sampleY are no longer active.

B Sample X and sampleY will be equally active.

C Sample X will be more active than sampleY.

D SampleY will be more active than sample X.

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12 The graph shows the effect of temperature on the digestion of starch.

rate ofreaction

temperature/oC

0 10 20 30 40 50 60

At which temperature are most starch molecules broken down in one minute?

A 10oC B 30oC C 40oC D 50oC

13 Which of the following, needed for protein synthesis, is carried into a leaf through the xylem?

A carbon dioxide

B nitrate ions

C oxygen

D sugar

14 Four test-tubes are set up as shown.

Which test-tube contains the most carbon dioxide after one hour?

A B C D

black

polythene

to keep

out light

water

watersnail

water

weed

light lightlight

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15 What is lacking in the diet of someone with anaemia (haemoglobin deficiency)?

A calcium

B iron

C vitamin C

D vitamin D

16 By which process is undigested waste material removed from the body?

A absorption

B assimilation

C egestion

D ingestion

17 The diagram shows the directions of blood flow through a heart.

Which chamber of the heart receives blood directly from the lungs?

C

BA

D

18 Which of the following describes a vein?

valves

present

thick muscle

tissue in wall

A

B

C

D

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19 Anaerobic respiration in muscles can be summarised by the following equation.

glucoseX + energy

What is X?

A ethanolB hydrogen

C lactic acid

D water

20 Which component of cigarette smoke is most likely to cause lung cancer?

A carbon dioxide

B carbon monoxideC nicotine

D tar

21 How do sweat glands and blood vessels near the skin surface respond when body temperaturerises above normal?

sweat glandsblood vessels

near the skin surface

A decreased activity constriction

B decreased activity dilation

C increased activity constriction

D increased activity dilation

22 A person has a high-protein diet.

What describes the level of urea in the blood leaving the liver and in the urine leaving the

kidneys?

blood leaving liver urine leaving kidneys

A high urea high urea

B high urea low urea

C low urea high urea

D low urea low urea

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23 The diagram shows a reflex arc.

Which label points to the sensory neurone?

AB

C

hot pan

D

24 In which way is the reproduction of a tree assisted by birds eating the fruit of the tree?

A dispersal

B fertilisation

C pollination

D variation

25 What is the correct sequence of structures involved in a reflex action?

A effector sensory neurone relay neurone motor neurone receptor

B effector motor neurone relay neurone sensory neurone receptor

C receptor sensory neurone relay neurone motor neurone effector

D receptor relay neurone sensory neurone motor neurone effector

26 Which route does an unfertilised human egg follow through the female reproductive system afterbeing released from the ovary?

A oviduct uterus vagina

B oviduct vagina uterus

C uterus oviduct vagina

D uterus

vagina

oviduct

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27 Which defines the development of an organism?

A increase in age

B increase in complexity

C increase in dry mass

D increase in height or length

28 Four test-tubes were set up similar to the one shown. Some of the seeds were soakedbeforehand.

cottonwool

seeds

gauze

water

In which test-tube did the seeds germinate first?

temperature/oC seeds

A 5 not soaked

B 5 soaked

C 20 not soaked

D 20 soaked

29 A couple have two daughters and then three sons. They are expecting another child.

What is the chance of this child being a boy?

A 0% B 25% C 50% D 75%

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30 Which sex chromosomes must be present in sperm and ovum for normal fertilisation leading tothe development of a male child?

sex

chromosomesin sperm

sex

chromosomesin ovum

A X X

B Y X

C XX XX

D XY XX

31 The nucleus of a cell contains two pairs of chromosomes.

Which two nuclei are produced after mitosis?

A B

C D

32 In fruit flies, the allele for grey body, G, is dominant over the allele for black body, g.

The result of a mating between two flies is shown.

(parents) grey-bodied fly x black-bodied fly

(offspring) 33 grey-bodies flies + 38 black-bodied flies

What were the genotypes of the parents?

A Ggx gg B Gg x Gg C GG x gg D GG x Gg

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33 Which of the following is an example of a food chain?

A carbohydrate fat protein

B flower fruit seed

C grass antelope lion

D ingestion assimilation excretion

34 The surface waters of the ocean contain a population of microscopic plants (plankton).

Which factor would result in fewerof these plants?

A an increase in the population of microscopic animals

B greater concentration of mineral nutrients

C more light

D warmer ocean water

35 The diagram shows part of the water cycle.

Sabsorption

Qrainfall

Revaporation

lake

Ptranspiration

Which processes will be slowed down by an increase in humidity?

A P and Q

B P and R

C Q and R

D Q and S

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38 The graphs show the number of herbivores in a habitat over a period of time. At time X thecarnivores are removed from the habitat.

Which graph shows the effect of this on the number of herbivores?

timeX timeX

timeX timeX

number of

herbivores

number of

herbivores

number of

herbivores

number of

herbivores

A B

C D

39 Lichens are living organisms that grow on trees. Air pollution slows down the growth of lichens.

The graph shows the average percentage of each tree covered by lichens at different distancesfrom a city centre.

100

80

60

40

20

0 2 4 6 8 10 12 14

% cover

of lichens

distance from city centre/km At which distance from the city centre is the air most polluted?

A 0km B 3km C 10km D 14km

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40 An insecticide sprayed on a crop washes into a lake in which there is the following food chain.

2nd consumer 3rd consumer 1st consumerproducers

What are the most likely levels of the insecticide in the tissues of the organisms?

(ppm = parts per million.)

producer

/ppm1st consumer

/ppm2nd consumer

/ppm3rd consumer

/ppm

A 26.4 0.04 2.0 0.5

B 0.04 0.5 2.0 26.4

C 26.4 2.0 0.5 0.04

D 0.5 26.4 0.04 2.0

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University of Cambridge International Examinations is part of the University of Cambridge Local Examinations Syndicate (UCLES), which is itself a departmentof the University of Cambridge.

0610/01/O/N/04

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